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|
# frozen_string_literal: true
require 'test/unit'
# Test for --jit option
class TestJIT < Test::Unit::TestCase
JIT_TIMEOUT = 600 # 10min for each...
JIT_SUCCESS_PREFIX = 'JIT success \(\d+\.\dms\)'
SUPPORTED_COMPILERS = [
'gcc',
'clang',
]
# Ensure all supported insns can be compiled. Only basic tests are included.
# TODO: ensure --dump=insns includes the expected insn
def test_compile_insns
skip unless jit_supported?
# nop
assert_compile_once('nil rescue true', result_inspect: 'nil')
# getlocal
# setlocal
assert_compile_once(<<~RUBY, result_inspect: '1')
foo = 1
foo
RUBY
# getblockparam
# setblockparam
assert_eval_with_jit(<<~RUBY, stdout: '3', success_count: 2)
def foo(&b)
a = b
b = 2
a.call + 2
end
print foo { 1 }
RUBY
# getblockparamproxy
# TODO: support this in mjit_compile
# getspecial
assert_compile_once('$1', result_inspect: 'nil')
# setspecial
assert_compile_once(<<~RUBY, result_inspect: 'true')
true if nil.nil?..nil.nil?
RUBY
# getinstancevariable
# setinstancevariable
assert_compile_once(<<~RUBY, result_inspect: '1')
@foo = 1
@foo
RUBY
# getclassvariable
# setclassvariable
assert_compile_once(<<~RUBY, result_inspect: '1')
@@foo = 1
@@foo
RUBY
# getconstant
# setconstant
assert_compile_once(<<~RUBY, result_inspect: '1')
FOO = 1
FOO
RUBY
# getglobal
# setglobal
assert_compile_once(<<~RUBY, result_inspect: '1')
$foo = 1
$foo
RUBY
# putnil
assert_compile_once('nil', result_inspect: 'nil')
# putself
assert_eval_with_jit(<<~RUBY, stdout: 'hello', success_count: 1)
proc { print "hello" }.call
RUBY
# putobject
assert_compile_once('0', result_inspect: '0') # putobject_OP_INT2FIX_O_0_C_
assert_compile_once('1', result_inspect: '1') # putobject_OP_INT2FIX_O_1_C_
assert_compile_once('2', result_inspect: '2')
# putspecialobject
# putiseq
assert_eval_with_jit(<<~RUBY, stdout: 'hello', success_count: 2)
print proc {
def method_definition
'hello'
end
method_definition
}.call
RUBY
# putstring
# concatstrings
# tostring
assert_compile_once('"a#{}b" + "c"', result_inspect: '"abc"')
# freezestring
assert_eval_with_jit(<<~'RUBY', stdout: 'true', success_count: 1)
# frozen_string_literal: true
print proc { "#{true}".frozen? }.call
RUBY
# toregexp
assert_compile_once('/#{true}/ =~ "true"', result_inspect: '0')
# intern
# newarray
# duparray
assert_compile_once('[:"#{0}"] + [1,2,3]', result_inspect: '[:"0", 1, 2, 3]')
# expandarray
assert_compile_once('y = [ true, false, nil ]; x, = y; x', result_inspect: 'true')
# concatarray
assert_compile_once('["t", "r", *x = "u", "e"].join', result_inspect: '"true"')
# splatarray
assert_compile_once('[*(1..2)]', result_inspect: '[1, 2]')
# newhash
assert_compile_once('a = 1; { a: a }', result_inspect: '{:a=>1}')
# newrange
assert_compile_once('a = 1; 0..a', result_inspect: '0..1')
# pop
assert_compile_once(<<~RUBY, result_inspect: '1')
a = false
b = 1
a || b
RUBY
# dup
assert_compile_once(<<~RUBY, result_inspect: '3')
a = 1
a&.+(2)
RUBY
# dupn
assert_compile_once(<<~RUBY, result_inspect: 'true')
klass = Class.new
klass::X ||= true
RUBY
# swap
# topn
assert_compile_once('{}["true"] = true', result_inspect: 'true')
# reverse
assert_compile_once('q, (w, e), r = 1, [2, 3], 4; e == 3', result_inspect: 'true')
# reput
# TODO: write test
# setn
assert_compile_once('[nil][0] = 1', result_inspect: '1')
# adjuststack
assert_compile_once(<<~RUBY, result_inspect: 'true')
x = [true]
x[0] ||= nil
x[0]
RUBY
# defined
assert_compile_once('defined?(a)', result_inspect: 'nil')
# checkkeyword
assert_eval_with_jit(<<~RUBY, stdout: 'true', success_count: 1)
def test(x: rand)
x
end
print test(x: true)
RUBY
# tracecoverage
# TODO: write test
# defineclass
# TODO: support this in mjit_compile (low priority)
# send
assert_eval_with_jit(<<~RUBY, stdout: '1', success_count: 2)
print proc { yield_self { 1 } }.call
RUBY
# opt_str_freeze
# opt_str_uminus
assert_compile_once(<<~RUBY, result_inspect: '"foobar"')
'foo'.freeze + -'bar'
RUBY
# opt_newarray_max
# opt_newarray_min
assert_compile_once(<<~RUBY, result_inspect: '3')
a = 1
b = 2
[a, b].max + [a, b].min
RUBY
# opt_send_without_block
assert_compile_once('print', result_inspect: 'nil')
# invokesuper
assert_eval_with_jit(<<~RUBY, stdout: '3', success_count: 4)
mod = Module.new {
def test
super + 2
end
}
klass = Class.new {
prepend mod
def test
1
end
}
print klass.new.test
RUBY
# invokeblock
# leave
assert_eval_with_jit(<<~RUBY, stdout: '2', success_count: 2)
def foo
yield
end
print foo { 2 }
RUBY
# throw
assert_eval_with_jit(<<~RUBY, stdout: '4', success_count: 2)
def test
proc do
if 1+1 == 1
return 3
else
return 4
end
5
end.call
end
print test
RUBY
# jump
# branchif
assert_compile_once(<<~'RUBY', result_inspect: 'nil')
a = false
1 + 1 while false
RUBY
# branchunless
assert_compile_once(<<~'RUBY', result_inspect: '1')
a = true
if a
1
else
2
end
RUBY
# branchnil
assert_compile_once(<<~'RUBY', result_inspect: '3')
a = 2
a&.+(1)
RUBY
# branchiftype
assert_compile_once(<<~'RUBY', result_inspect: '"42"')
a = '2'
"4#{a}"
RUBY
# getinlinecache
# setinlinecache
assert_compile_once('Struct', result_inspect: 'Struct')
# once
assert_compile_once('/#{true}/o =~ "true" && $~.to_a', result_inspect: '["true"]')
# checkmatch
# opt_case_dispatch
assert_compile_once(<<~RUBY, result_inspect: '"world"')
case 'hello'
when /hello/
'world'
end
RUBY
# opt_plus
# opt_minus
# opt_mult
# opt_div
# opt_mod
assert_compile_once('4 + 2 - ((2 * 3 / 2) % 2)', result_inspect: '5')
# opt_eq
# opt_neq
assert_compile_once('(1 == 1) && (1 != 2)', result_inspect: 'true')
# opt_lt
# opt_le
# opt_gt
# opt_ge
assert_compile_once('1 < 2 && 1 <= 1 && 2 > 1 && 1 >= 1', result_inspect: 'true')
# opt_ltlt
assert_compile_once('[1] << 2', result_inspect: '[1, 2]')
# opt_aref
# opt_aset
# opt_aset_with
# opt_aref_with
assert_compile_once(<<~RUBY, result_inspect: '8')
hash = { '1' => 2 }
hash['1'] + hash[1.to_s] + (hash['2'] = 2) + (hash[2.to_s] = 2)
RUBY
# opt_length
# opt_size
assert_compile_once(<<~RUBY, result_inspect: '4')
array = [1, 2]
array.size + array.length
RUBY
# opt_empty_p
assert_compile_once('[].empty?', result_inspect: 'true')
# opt_succ
assert_compile_once('1.succ', result_inspect: '2')
# opt_not
assert_compile_once('!!true', result_inspect: 'true')
# opt_regexpmatch1
assert_compile_once("/true/ =~ 'true'", result_inspect: '0')
# opt_regexpmatch2
assert_compile_once("'true' =~ /true/", result_inspect: '0')
# opt_call_c_function
# TODO: support this in opt_call_c_function (low priority)
end
def test_jit_output
skip unless jit_supported?
out, err = eval_with_jit('5.times { puts "MJIT" }', verbose: 1, min_calls: 5)
assert_equal("MJIT\n" * 5, out)
assert_match(/^#{JIT_SUCCESS_PREFIX}: block in <main>@-e:1 -> .+_ruby_mjit_p\d+u\d+\.c$/, err)
assert_match(/^Successful MJIT finish$/, err)
end
private
# The shortest way to test one proc
def assert_compile_once(script, result_inspect:)
assert_eval_with_jit("p proc { #{script} }.call", stdout: "#{result_inspect}\n", success_count: 1)
end
# Shorthand for normal test cases
def assert_eval_with_jit(script, stdout: nil, success_count:)
out, err = eval_with_jit(script, verbose: 1, min_calls: 1)
if jit_supported?
actual = err.scan(/^#{JIT_SUCCESS_PREFIX}:/).size
assert_equal(
success_count, actual,
"Expected #{success_count} times of JIT success, but succeeded #{actual} times.\n\n"\
"script:\n#{code_block(script)}\nstderr:\n#{code_block(err)}",
)
end
if stdout
assert_equal(stdout, out, "Expected stdout #{out.inspect} to match #{stdout.inspect} with script:\n#{code_block(script)}")
end
end
# Run Ruby script with --jit-wait (Synchronous JIT compilation).
# Returns [stdout, stderr]
def eval_with_jit(script, verbose: 0, min_calls: 5, timeout: JIT_TIMEOUT)
stdout, stderr, status = EnvUtil.invoke_ruby(
['--disable-gems', '--jit-wait', "--jit-verbose=#{verbose}", "--jit-min-calls=#{min_calls}", '-e', script],
'', true, true, timeout: timeout,
)
assert_equal(true, status.success?, "Failed to run script with JIT:\n#{code_block(script)}\nstdout:\n#{code_block(stdout)}\nstderr:\n#{code_block(stderr)}")
[stdout, stderr]
end
def code_block(code)
"```\n#{code}\n```\n\n"
end
def jit_supported?
return @jit_supported if defined?(@jit_supported)
# Experimental. If you want to ensure JIT is working with this test, please set this for now.
if ENV.key?('RUBY_FORCE_TEST_JIT')
return @jit_supported = true
end
# Very pessimistic check. With this check, we can't ensure JIT is working.
begin
_, err = eval_with_jit('proc {}.call', verbose: 1, min_calls: 1, timeout: 10)
@jit_supported = err.match?(JIT_SUCCESS_PREFIX)
rescue Timeout::Error
$stderr.puts "TestJIT: #jit_supported? check timed out"
@jit_supported = false
end
end
end
|